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              <time title="创建时间：2020-04-28 10:40:00 / 修改时间：10:47:22" itemprop="dateCreated datePublished" datetime="2020-04-28T10:40:00+08:00">2020-04-28</time>
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          <h3 id="0-前言"><a href="#0-前言" class="headerlink" title="0. 前言"></a>0. 前言</h3><p>谈起音乐软件, 只钟情网易云音乐. 奈何版权太少, 歌单里好多音乐涉及到版权的问题无法听, 即使开了VIP也不行.</p>
<p>但是我们可以通过一些“奇淫技巧”来实现解锁灰色无版权歌曲，效果比开了黑胶VIP 还要强大.</p>
<p>声明：本工具只提供大家免费测试学习使用，请勿用作任何商业用途。</p>
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          <h3 id="1-选择镜像"><a href="#1-选择镜像" class="headerlink" title="1. 选择镜像"></a>1. 选择镜像</h3><p>这里选择基础镜像时是有讲究. 一是应当尽量选择官方镜像库里的基础镜像；二是应当选择轻量级的镜像做底包.</p>
<p>就典型的 Linux 基础镜像来说，大小关系如下：Ubuntu &gt; CentOS &gt; Debian&gt; Alpine</p>
<p>Alpine Docker 镜像也继承了 Alpine Linux 发行版的这些优势。相比于其他 Docker 镜像，它的容量非常小，仅仅只有 5 MB 左右（对比 Ubuntu 系列镜像接近 200 MB），且拥有非常友好的包管理机制apk。</p>
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          <h1 id="0-前言"><a href="#0-前言" class="headerlink" title="0. 前言"></a>0. 前言</h1><p>先来看一张 k8s 架构设计以及组件之间的通信协议</p>
<p><img src="/p/40c9599/2.jpeg" alt="1"></p>
<ul>
<li><p>Master 负责管理整个集群。Master 协调集群中的所有活动，例如调度应用、维护应用的所需状态、应用扩容以及推出新的更新。</p>
</li>
<li><p>Node 是一个虚拟机或者物理机，它在 Kubernetes 集群中充当工作机器的角色。</p>
</li>
<li><p>在 Kubernetes 上部署应用时，您告诉 Master 启动应用容器。 Master 就编排容器在群集的 Node 上运行。 Node 使用 Master 暴露的 Kubernetes API 与 Master 通信。</p>
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          <p>文件内容如下, 需要把1234读取赋值给shell内部的变量nodeid</p>
<figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">cat a.conf</span><br><span class="line">nodeid 1234</span><br></pre></td></tr></table></figure>
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          <h3 id="0-前言"><a href="#0-前言" class="headerlink" title="0. 前言"></a>0. 前言</h3><p>Kubernetes中的大部分概念Node、Pod、Replication Controller、Service等都可以看作一种“资源对象”，几乎所有的资源对象都可以通过kubectl工具（API调用）执行增、删、改、查等操作并将其保存在etcd中持久化存储。从这个角度来看，kubernetes其实是一个高度自动化的资源控制系统，通过跟踪对比etcd库里保存的“资源期望状态”与当前环境中的“实际资源状态”的差异来实现自动控制和自动纠错的高级功能。</p>
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          <h3 id="0-为什么内网穿透"><a href="#0-为什么内网穿透" class="headerlink" title="0. 为什么内网穿透"></a>0. 为什么内网穿透</h3><p>从公网中访问自己的私有设备向来是一件难事儿。</p>
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          <h3 id="1-函数依赖"><a href="#1-函数依赖" class="headerlink" title="1. 函数依赖"></a>1. 函数依赖</h3><h5 id="1-1-函数依赖-有我就能决定你"><a href="#1-1-函数依赖-有我就能决定你" class="headerlink" title="1.1 函数依赖(有我就能决定你)"></a>1.1 函数依赖(有我就能决定你)</h5><p>设X,Y是关系R的两个属性集合，当任何时刻R中的任意两个元组中的X属性值相同时，则它们的Y属性值也相同，则称X函数决定Y，或Y函数依赖于X。</p>
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          <h3 id="0-前言"><a href="#0-前言" class="headerlink" title="0. 前言"></a>0. 前言</h3><p>在大陆地区我们无法直接通过 <code>go get</code> 命令获取到一些第三方包，最常见的就是 <code>golang.org/x</code> 下面的各种优秀的包. 解决方案如下:</p>
<figure class="highlight bash"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment"># go.1.12.x</span></span><br><span class="line"><span class="built_in">export</span> GO111MODULE=on</span><br><span class="line"><span class="built_in">export</span> GOPROXY=https://goproxy.cn</span><br><span class="line"></span><br><span class="line"><span class="comment"># go1.13.x</span></span><br><span class="line">go env -w GOPROXY=https://goproxy.cn,direct</span><br><span class="line">go env -w GOPRIVATE=*.corp.example.com </span><br><span class="line"></span><br><span class="line"><span class="comment">#GOPRIVATE=*.corp.example.com 表示所有模块路径以 corp.example.com 的下一级域名 (如 team1.corp.example.com) 为前缀的模块版本都将不经过 Go module proxy 和 Go checksum database，需要注意的是不包括 corp.example.com 本身。</span></span><br></pre></td></tr></table></figure>
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          <p>当你看到这篇文章的标题，你一定对这篇文章产生了巨大的兴趣，因为你的潜意识在告诉你，这是一本人生的“武林秘籍”，而且还是左耳朵写的，一定有干货满满，只要读完，一定可以练就神功并找到超过大多数人的快车道和捷径……然而…… 当你看到我这样开篇时，你一定会觉得我马上就要有个转折，告诉你这是不可能的，一切都需要付出和努力……然而，你错了，这篇文章还真就是一篇“秘籍”，只要你把这些“秘籍”用起来，你就一定可以超过大多数人。而且，这篇文章只有我这个“人生导师”可以写得好。毕竟，我的生命过到了十六进制2B的年纪，踏入这个社会已超过20年，舍我其谁呢？！</p>
<p>P.S. 这篇文章借鉴于《<a href="https://coolshell.cn/articles/4758.html" target="_blank" rel="noopener">如何写出无法维护的代码</a>》一文的风格……嘿嘿</p>
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